Hard Disk Types B-3
Type Cylinders Heads Write
Pre-comp Landing
Zone Sectors
per Track Disk
Size
48 615 2 300 615 34 20
49 989 16 0 989 63 486
50 823 4 None 823 38 61
51 1001 15 None 1001 17 124
52 1011 15 None None 22 162
53 723 13 None None 51 234
54 548 8 None 548 38 81
55 1013 4 None None 41 81
56 929 15 None None 17 115
57 817 14 None None 36 201
58 1017 16 None None 63 500
59 802 4 None 802 39 61
60 1024 9 None 1023 17 76
61 895 5 0 894 55 120
62 1010 12 0 1009 55 325
63 966 10 None None 34 160
64 1024 8 None 1023 17 68
65 1024 11 None 1023 17 93
66 918 11 None 1023 17 83
67 Reserved
68 1024 10 None 1023 17 85
69 1024 12 None 1023 17 102
70 1024 13 None 1023 17 110
71 1024 14 None 1023 17 119
72 959 11 None 959 50 257
73 1024 16 None 1023 17 136
74 918 15 None 1023 17 114